METHOD AND APPARATUS FOR AUTOMATICALLY IDENTIFYING SYSTEM FAULTS IN AN OPTICAL COMMUNICATIONS SYSTEM FROM REPEATER LOOP GAIN SIGNATURES - Patent 1084537

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EP 1 084 537 A1

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(43)	Date of publication:
	21.03.2001 Bulletin 2001/12

(21)	Application number: 00920008.0

(22)	Date of filing: 31.03.2000

(51)	International Patent Classification (IPC)⁷: H04B 10/08

(86)	International application number:
	PCT/US0008/675

(87)	International publication number:
	WO 0060/773 (12.10.2000 Gazette 2000/41)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

02.04.1999 US 285581

(71)	Applicant: Tyco Submarine Systems Ltd.
	Eatontown, NJ 07724 (US)

(72)	Inventors:
	KRAM, Richard Eatontown, NJ 07724 (US) LISS, Jonathan Eatontown, NJ 07724 (US) THEOPHALL, Peter Eatontown, NJ 07724 (US)

(74)	Representative: Weitzel, David Stanley
	Batchellor, Kirk & Co.,102-108 Clerkenwell Road London EC1M 5SA London EC1M 5SA (GB)

(54)	METHOD AND APPARATUS FOR AUTOMATICALLY IDENTIFYING SYSTEM FAULTS IN AN OPTICAL COMMUNICATIONS SYSTEM FROM REPEATER LOOP GAIN SIGNATURES